1. An ultimate atom; a simple uncompounded primary element; an elementary organism; an element which combines with only one equivalent of another.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• bonaa,
• conan,
• tonad,
• magnad,
• monar,
• m0nad,
• m9nad,
• momad,
• monax,
• monae,
• mnonad,
• mionad,
• m0onad,
• mo0nad,
• m9onad,
• momnad,
• monmad,
• mohnad,
• monhad,
• monwad

• monnet,
• monied,
• MONAT,
• mount,
• monod,
• mondy,
• mountie,
• Mohammad,
• monday,
• monda,
• Mohamed,
• monody,
• montia,
• mound,
• mohammed.

The adjective form of the word "monad" is "monadic".